/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package MODEL.CONTROLLER;

import MODEL.DAO.SanPhamDAO;
import MODEL.POJO.SanPhamPOJO;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 *
 * @author kijoo
 */
@WebServlet(name = "LayDongSanPhamTheoDM", urlPatterns = {"/LayDongSanPhamTheoDM"})
public class LayDongSanPhamTheoDM extends HttpServlet {

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        HttpSession session = request.getSession();
       try {
            if (request.getParameter("iddanhmuc") != null) {
                String iddanhmuc = (String)request.getParameter("iddanhmuc");
                session.setAttribute("IDDanhMuc", iddanhmuc);
                ArrayList<SanPhamPOJO> sp = SanPhamDAO.LayDanhSachDongSanPham(iddanhmuc);
                out.println("<select name='dongSanPham' id='dongSanPham' onChange='getDongSanPhamDropdown()' >");
                out.println ("<option value='0' selected='selected'>Dòng sản phẩm khác</option>");
                for(int i=0;i<sp.size();i++ ) 
                {
                    SanPhamPOJO sanpham = sp.get(i);
                    out.println("<option value='"+sanpham.getDongsanpham()+"' >"+sanpham.getDongsanpham()+"</option>");
                }
                out.println("</select>");
            }

        } finally {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
